Online PHP editor | output for kIgff

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.13, 7.3.0 - 7.3.1: Notice: Only variables should be passed by reference in /in/kIgff on line 3 Warning: implode(): Invalid arguments passed in /in/kIgff on line 3
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28: Strict Standards: Only variables should be passed by reference in /in/kIgff on line 3 Warning: implode(): Invalid arguments passed in /in/kIgff on line 3
Output for 5.2.5 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45: Warning: implode(): Invalid arguments passed in /in/kIgff on line 3
Output for 5.2.3 - 5.2.4: Warning: implode(): Bad arguments. in /in/kIgff on line 3
Output for 4.4.3 - 4.4.9, 5.0.0 - 5.0.4, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2: Warning: implode() [<a href='function.implode'>function.implode</a>]: Bad arguments. in /in/kIgff on line 3
Output for 5.0.5: Fatal error: Only variables can be passed by reference in /in/kIgff on line 3 
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.2: Warning: implode(): Bad arguments. in /in/kIgff on line 3
Output for 4.3.0 - 4.3.1: Warning: implode() [<a href='http://www.php.net/function.implode'>function.implode</a>]: Bad arguments. in /in/kIgff on line 3